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This document provides information about different types of angles and how to measure them using a protractor. It defines acute, obtuse, right, straight and complementary and supplementary angles. Examples are given for each type of angle along with their degree measurements. The document also explains how to read a protractor and includes a short quiz with problems about finding missing angles given complementary or supplementary clues.
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Discusses the concept of measurement in general before exploring how we might define a unit of measure for angles, and design a tool for the purpose (which, in its refined version, is what we now call a "protractor"). Shows how to use a protractor to draw angles of various sizes, then ends by introducing the concept of the radian measurement.
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This document defines and provides examples of different types of angles:
- Acute angles are less than 90 degrees.
- Right angles are exactly 90 degrees.
- Obtuse angles are greater than 90 degrees but less than 180 degrees.
- Reflex angles are greater than 180 degrees.
- Examples of finding different angles in the classroom and words are provided to help students identify each type of angle.
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The document defines and provides examples of different types of angles:
- Acute, right, obtuse, straight, and reflex angles are defined by their measure in degrees.
- Adjacent angles share a vertex and side. Complementary angles add to 90 degrees. Supplementary angles add to 180 degrees.
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This document defines angles and how to measure them using a protractor. It begins by defining key geometric terms like points, lines, and line segments. It then defines what an angle is, noting that an angle is formed when two non-collinear rays share a common endpoint called the vertex. The two rays are called the arms of the angle. Angles are measured in degrees using a protractor, which is placed with its crossbar lined up with the vertex so the scale can be used to read the measure of the angle. The goal is to be able to measure angles to the nearest 50 using a protractor.
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This document discusses classifying and identifying different types of angles:
- It defines angles and describes four ways to name angles: using the vertex, number, or points with the vertex in the middle.
- It classifies angles as acute (<90°), right (90°), obtuse (>90°), or straight (180°) and provides examples of each.
- It explains that adjacent angles are side-by-side and share a vertex and ray, while vertical angles are opposite and congruent. Finding missing angle measures can use properties of vertical angles.
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The document discusses angles and how to measure them. An angle is formed when two rays share an endpoint called the vertex. A protractor is used to measure angles by lining up the vertex with the 0 mark and reading the degree measure. There are three kinds of angles: acute angles measure less than 90 degrees, right angles measure exactly 90 degrees, and obtuse angles measure more than 90 degrees.
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This document discusses different types of angles including acute, obtuse, right, and straight angles. It defines an angle as being formed by two rays sharing an endpoint called the vertex. Angles are measured in degrees, with acute angles between 0-90 degrees, obtuse angles between 90-180 degrees, right angles equal to 90 degrees, and a straight angle equaling 180 degrees. It includes examples of each type of angle and encourages identifying them in a game.
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Discusses the concept of measurement in general before exploring how we might define a unit of measure for angles, and design a tool for the purpose (which, in its refined version, is what we now call a "protractor"). Shows how to use a protractor to draw angles of various sizes, then ends by introducing the concept of the radian measurement.
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This document defines and provides examples of different types of angles:
- Acute angles are less than 90 degrees.
- Right angles are exactly 90 degrees.
- Obtuse angles are greater than 90 degrees but less than 180 degrees.
- Reflex angles are greater than 180 degrees.
- Examples of finding different angles in the classroom and words are provided to help students identify each type of angle.
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The document defines and provides examples of different types of angles:
- Acute, right, obtuse, straight, and reflex angles are defined by their measure in degrees.
- Adjacent angles share a vertex and side. Complementary angles add to 90 degrees. Supplementary angles add to 180 degrees.
- Vertical angles are formed by the same lines at a common vertex. Interior and exterior angles are formed when lines are crossed by a transversal. Alternate interior, exterior, and corresponding angles are pairs of angles in specific positions around a transversal.
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This document defines angles and how to measure them using a protractor. It begins by defining key geometric terms like points, lines, and line segments. It then defines what an angle is, noting that an angle is formed when two non-collinear rays share a common endpoint called the vertex. The two rays are called the arms of the angle. Angles are measured in degrees using a protractor, which is placed with its crossbar lined up with the vertex so the scale can be used to read the measure of the angle. The goal is to be able to measure angles to the nearest 50 using a protractor.
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This document discusses classifying and identifying different types of angles:
- It defines angles and describes four ways to name angles: using the vertex, number, or points with the vertex in the middle.
- It classifies angles as acute (<90°), right (90°), obtuse (>90°), or straight (180°) and provides examples of each.
- It explains that adjacent angles are side-by-side and share a vertex and ray, while vertical angles are opposite and congruent. Finding missing angle measures can use properties of vertical angles.
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The document discusses angles and how to measure them. An angle is formed when two rays share an endpoint called the vertex. A protractor is used to measure angles by lining up the vertex with the 0 mark and reading the degree measure. There are three kinds of angles: acute angles measure less than 90 degrees, right angles measure exactly 90 degrees, and obtuse angles measure more than 90 degrees.
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This document discusses different types of angles including acute, obtuse, right, and straight angles. It defines an angle as being formed by two rays sharing an endpoint called the vertex. Angles are measured in degrees, with acute angles between 0-90 degrees, obtuse angles between 90-180 degrees, right angles equal to 90 degrees, and a straight angle equaling 180 degrees. It includes examples of each type of angle and encourages identifying them in a game.
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This document defines angles and describes how to name, classify, and measure them. It discusses the key terms related to angles including vertex, arms, degrees, and protractor. There are four main types of angles: acute angles which are less than 90 degrees, right angles which are 90 degrees, obtuse angles which are greater than 90 degrees but less than 180 degrees, and straight angles which are 180 degrees. The document demonstrates how to use a protractor to accurately measure the degree of an angle.
Angles
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- - - - - - - - - - - - -
- Definition of Angles
- Parts of Angles
- Protractor
- Kinds of Angles
- Measuring Angles
The Assignment on the last slide is for them to have a background on the next lesson.
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- A bisected angle is divided into two congruent angles by a ray.
- Supplementary angles have a sum of 180 degrees.
- An obtuse angle measures more than 90 degrees but less than 180 degrees.
- Complementary angles have a sum of 90 degrees.
- A right angle measures exactly 90 degrees.
- An acute angle measures less than 90 degrees.
- A straight angle measures 180 degrees.
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1) The document defines an angle as being formed by two rays with a common endpoint called the vertex. Angles can have points in their interior, exterior, or on the angle.
2) There are three main ways to name an angle: using three points with the vertex in the middle, using just the vertex point when it is the only angle with that vertex, or using a number within the angle.
3) There are four types of angles: acute, right, obtuse, and straight. Angles are measured in degrees with a full circle being 360 degrees.
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This document discusses how to use a protractor to measure, draw, and calculate angles. It explains that a protractor should be lined up with the "upside down T" at the vertex of the angle being measured. Angles are read on the protractor starting from 0 degrees and using the inner numbers up to 30 degrees, then switching to the outer 1 degree markings. Calculating angles on a straight line is also covered. The overall objectives are to use a protractor to measure and draw acute and obtuse angles to the nearest degree and to calculate angles on a straight line.
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The document provides information about angles and angle measurement:
- An angle consists of two rays with a common vertex point. Angles can be named using the vertex point and the rays.
- The measure of an angle is the amount of rotation between the rays, measured in degrees using a protractor. Examples of different angle measures are provided.
- Angles are classified as acute, right, obtuse or straight based on their degree measures. Concepts of complementary, supplementary, adjacent, vertical and linear pairs of angles are introduced along with related properties and theorems.
- Several examples problems demonstrate finding missing angle measures using properties of different angle relationships.
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The document discusses various topics relating to angles and angle measurement:
1. It defines an angle and describes how to name angles using vertex notation.
2. It explains that the measure of an angle is the amount of rotation in degrees and introduces tools like protractors for measuring angles.
3. It classifies angles as acute, right, obtuse or straight based on their degree measures and defines complementary and supplementary angle pairs.
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Angles
This preview may not appear the same on the actual version of the PPT slides.
Some formats may change due to font and size settings available on the audience's device.
To get/buy a soft copy, please send a request to queenyedda@gmail.com
Inclusions of the file attachment:
* Fonts used
* Soft copy of the WHOLE ppt slides with effects
ACCEPTING COMMISSIONED POWERPOINT SLIDES
ACCEPTING COMMISSIONED POWERPOINT SLIDES
ACCEPTING COMMISSIONED POWERPOINT SLIDES
EMAIL queenyedda@gmail.com
- - - - - - - - - - - - -
- Definition of Angles
- Parts of Angles
- Protractor
- Kinds of Angles
- Measuring Angles
The Assignment on the last slide is for them to have a background on the next lesson.
Angles Of Life Project
This document discusses different types of angles including acute, right, obtuse, straight, complementary, supplementary, bisected, vertical, and linear angles. Each type of angle is defined and an example image is provided to illustrate the key features of that angle. The document was created by Alex Windsor for a geometry class project on the topic of nature.
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This document defines and provides examples of supplementary and complementary angles. Supplementary angles add up to 180 degrees, while complementary angles add up to 90 degrees, forming a right angle. Mnemonic devices are provided to help remember the definitions, with "C" of Complementary standing for "Corner" and "S" of Supplementary standing for "Straight." Practice problems are included for the reader to determine if angles are supplementary or complementary, and to find a missing angle.
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1) The document defines an angle as being formed by two rays with a common endpoint called the vertex. Angles can have points in their interior, exterior, or on the angle.
2) There are three main ways to name an angle: using three points with the vertex in the middle, using just the vertex point when it is the only angle with that vertex, or using a number within the angle.
3) There are four types of angles: acute, right, obtuse, and straight. Angles are measured in degrees with a full circle being 360 degrees.
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This document discusses how to use a protractor to measure, draw, and calculate angles. It explains that a protractor should be lined up with the "upside down T" at the vertex of the angle being measured. Angles are read on the protractor starting from 0 degrees and using the inner numbers up to 30 degrees, then switching to the outer 1 degree markings. Calculating angles on a straight line is also covered. The overall objectives are to use a protractor to measure and draw acute and obtuse angles to the nearest degree and to calculate angles on a straight line.
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The power point explains the formation of an angle,different types of angles,complementary and supplementary angles and vertical angles with suitable examples.
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Mathematics 7: Angles (naming, types and how to measure them)
Mathematics 7: Angles (naming, types and how to measure them)
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Similar to Case artifact 1 2
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The document provides information about angles and angle measurement:
- An angle consists of two rays with a common vertex point. Angles can be named using the vertex point and the rays.
- The measure of an angle is the amount of rotation between the rays, measured in degrees using a protractor. Examples of different angle measures are provided.
- Angles are classified as acute, right, obtuse or straight based on their degree measures. Concepts of complementary, supplementary, adjacent, vertical and linear pairs of angles are introduced along with related properties and theorems.
- Several examples problems demonstrate finding missing angle measures using properties of different angle relationships.
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The document discusses various topics relating to angles and angle measurement:
1. It defines an angle and describes how to name angles using vertex notation.
2. It explains that the measure of an angle is the amount of rotation in degrees and introduces tools like protractors for measuring angles.
3. It classifies angles as acute, right, obtuse or straight based on their degree measures and defines complementary and supplementary angle pairs.
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Angles are where two lines meet and measure the amount of turn. They are measured in degrees using a protractor. There are five main types of angles: acute angles are less than 90 degrees; right angles are exactly 90 degrees; obtuse angles are greater than 90 degrees but less than 180 degrees; a straight line is 180 degrees; and reflex angles are greater than 180 degrees.
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This document discusses different types of angles:
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It provides examples of how angles are used in everyday situations like telling time and opening doors. It also defines angles more formally in geometry as the figure formed by two rays with a common endpoint. The document explains how angles are measured in degrees using a protractor.
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The document defines and describes basic geometric terms including:
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This document defines and describes different types of angles:
- Acute angles are less than 90 degrees. Obtuse angles are greater than 90 degrees but less than 180 degrees. Right angles are 90 degrees. Straight angles are 180 degrees. Reflex angles are greater than 180 degrees but less than 360 degrees.
- Angles can be calculated based on their relationship to other angles, such as angles around a point adding up to 360 degrees and angles on a straight line adding up to 180 degrees. Vertically opposite angles are always equal.
- When parallel lines are intersected by a transversal, the corresponding angles, alternate interior angles, alternate exterior angles, and interior angles on the same side of the transversal are
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1. The document defines various geometric shapes including points, lines, line segments, rays, parallel lines, perpendicular lines, angles, triangles, quadrilaterals such as rectangles, rhombuses, trapezoids, parallelograms, and circles.
2. It provides definitions for geometric terms like acute, obtuse, right angles as well as properties of shapes such as the sum of interior angles in triangles equaling 180 degrees.
3. Formulas for calculating areas of rectangles, squares, parallelograms, trapezoids and circles are presented.
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2. If two angles stand on the same chord of a circle, then the angle at the center is twice the size of the angle at the circumference.
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This document provides an overview of the history and applications of units of angles. It defines what an angle is and discusses positive and negative angles. It describes the degree and radian units of measuring angles and provides examples of different types of angles classified by degree measure such as acute, right, obtuse, and straight angles. It explains how radians are defined in relation to circles. Finally, it lists several applications of angle measurement in fields like athletics, construction, engineering, and astronomy and provides specific examples of how angles are used in activities like football, basketball, architecture, and fitting furniture.
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This document discusses different types of angles including acute, obtuse, right, and straight angles. It defines an angle as being formed by two rays sharing an endpoint called the vertex. Angles are measured in degrees, with acute angles between 0-90 degrees, obtuse angles between 90-180 degrees, right angles equal to 90 degrees, and a straight angle equaling 180 degrees. It includes examples of each type of angle and encourages identifying them in a game.
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This document defines and provides examples of various types of lines and angles in geometry. It begins with an introduction to lines and angles, then defines basic terms like rays, lines, and line segments. It describes different types of lines like intersecting and non-intersecting lines. It also defines various angles like acute, right, obtuse, straight, and reflex angles. Finally, it discusses parallel lines cut by a transversal and the relationships between the angles formed.
lines and angles
This document discusses various geometry concepts related to angles and lines including:
- Types of angles such as acute, obtuse, straight, and reflex angles
- Relationships between pairs of angles such as complementary, supplementary, vertical, corresponding, alternate interior, and alternate exterior angles
- Properties of lines such as intersecting lines, parallel lines, and transversals
- Angle theorems about parallel lines cut by a transversal and the angle sums of triangles
Linesandangles 111014002441-phpapp02
This document defines and provides examples of various lines and angles. It begins by introducing lines and angles, noting they are important tools in geometry. It then defines basic terms like rays, lines, and line segments. It describes different types of lines like intersecting and non-intersecting lines. It also defines various angles like acute, right, obtuse, straight, and reflex angles. It provides examples of each. Finally, it discusses parallel lines cut by a transversal and the related angles formed, such as corresponding, alternate interior, and alternate exterior angles.
Super shapes
This document discusses different ways of categorizing shapes based on their properties like sides, angles, and whether they can tile. It introduces categories of quadrilaterals based on parallel sides and provides examples of shapes that do and do not tile. Formulas are presented for calculating the interior angle sums of polygons using the Triangle-In-A method or the formula of number of sides minus two times 180 degrees. Exterior angles are defined as those created when sides of a polygon are extended and their relationship to interior angles is explained.
linesandangles-111014002441-phpapp02-150823071910-lva1-app6892 (1).pptx
This document defines and provides examples of various lines and angles. It begins by introducing lines, points, and the definition of an angle. It then discusses different types of lines like intersecting, non-intersecting, and perpendicular lines. The document also defines and gives examples of various angles like acute, right, obtuse, straight, and reflex angles. Finally, it covers parallel lines and transversals, defining terms like corresponding angles, alternate interior angles, and interior angles on the same side of a transversal.
lesson2-parallel and perpendicular lines g7.pptx
This document provides definitions and examples of parallel and perpendicular lines. It begins by defining parallel lines as two lines on a surface that never meet and are always the same distance apart. Perpendicular lines are defined as lines that cross another at exactly 90 degrees, forming a right angle. An example image shows parallel lines in yellow that never meet and are the same distance apart, while perpendicular red lines form a right angle. Students are then asked to complete a worksheet identifying parallel and perpendicular lines in images and find examples around them.
Angles.pptx
An angle is formed by two rays sharing a common endpoint called the vertex. An angle can be measured in degrees and named using symbols to indicate the vertex point and/or side points. There are several types of angles including acute (less than 90 degrees), obtuse (between 90 and 180 degrees), right (90 degrees), straight (180 degrees), and reflex (greater than 180 degrees). Angles can also be classified based on their relationship to each other, such as complementary angles whose measures sum to 90 degrees, or supplementary angles that sum to 180 degrees.
Lines and angles
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Geometry quiz
The document is a geometry quiz that covers different types of lines, angles, and triangles. It defines and provides examples of line segments, rays, perpendicular and intersecting lines, and points. It also defines and gives examples of right, acute, and obtuse angles. Finally, it defines and gives examples of the three types of triangles: equilateral, isosceles, and scalene triangles. The quiz was created by Camden and Payton.
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linesandangles-111014002441-phpapp02-150823071910-lva1-app6892 (1).pptx
linesandangles-111014002441-phpapp02-150823071910-lva1-app6892 (1).pptx
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Case artifact 1 2
- 2. Here we can see a few examples of right angles!
- 3. Degrees: Measuring Angles We measure the size of an angle using degrees. Example: Here are some examples of angles and their degree measurements.
- 4. Protractor A device used to measure angles.
- 5. Reading a Protractor Date: 9/8/96 at 22:29:58 From: Bob Vanselow Subject: Reading a Protractor Which side of a protractor scale do you use? Date: 9/9/96 at 11:39:23 From: Doctor Robert Subject: Re: Reading a Protractor I think that the easiest way to decide which scale to use is to look at the angle you're measuring. If it is greater than a right angle (more than ninety degrees) then use the scale that has numbers greater than 90. If the angle is obviously acute (measures less than 90 degrees), use the scale which has numbers less than 90. Of course you have to line up the protractor correctly with the center point on the vertex of the angle and one of the rays of the angle coincide with the line on the protractor. Happy measuring! -Doctor Robert, The Math Forum Check out our web site! http://mathforum.org/dr.math/
- 6. Acute Angles An acute angle is an angle measuring between 0 and 90 degrees. Example:
- 7. Acute Angles are less than 90 degrees. Even trees have angles!!!
- 8. Obtuse Angles An obtuse angle is an angle measuring between 90 and 180 degrees. Example:
- 9. Obtuse angles are greater than 90 degrees Walking around you can find angles!
- 10. Right Angles A right angle is an angle measuring 90 degrees. Examples:
- 11. Right angles are exactly 90 degrees!! Sitting on a bench you can find right angles!
- 12. Rays Angles can be in relation to rays. A ray is a portion of a line that has one endpoint, while the other goes on forever! Example:
- 13. Rays have just one endpoint, but go the other way forever!!! Walking from the corner if a sidewalk can represent a ray!!
- 14. Straight Angles Straight angles are exactly 180 degrees. So basically a straight line! Example: 180°
- 15. Straight angles are exactly 180 degrees! Look for a straight line and there is the angle! The top of a parking garage shows a straight angle!!!
- 16. Complementary Angles Two angles are called complementary angles if the sum of their degree measurements equals 90 degrees. Example: These two angles are complementary.
- 17. These two angles can be "pasted" together to form a right angle!
- 18. Supplementary Angles Two angles are called supplementary angles if the sum of their degree measurements equals 180 degrees. Example: These two angles are supplementary.
- 19. These two angles can be "pasted" together to form a straight line!
- 20. Review State whether the following are acute, right, or obtuse. 1. 2. 3. 4. 5. ? ? acute obtuse right obtuse acute
- 21. Complementary and Supplementary 1. Two angles are complementary. One measures 65 degrees. 2. Two angles are supplementary. One measures 140 degrees. Find the missing angle. Answer : 25 Answer : 40
- 22. Complementary and Supplementary Find the missing angle. You do not have a protractor. Use the clues in the pictures. 1. 2.x 55 165 x X=35 X=15